SHANGHAI, April 10, 2020 /PRNewswire/ -- As a leading global supplier of mobile communication and IoT chipsets, UNISOC announces today that 8521E for smart watches is powering the Xiaomi Mi Kids Watch 4. With high integration, high performance and low power consumption, UNISOC 8521E supports a flexible combination of configurations and is widely applied in wearable products SHANGHAI, April 10, 2020 /PRNewswire/ -- As a leading global supplier of mobile communication and IoT chipsets, UNISOC announces today that 8521E for smart watches is powering the Xiaomi Mi Kids Watch 4. With high integration, high performance and low power consumption, UNISOC 8521E supports a flexible combination of configurations and is widely applied in wearable products